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-rw-r--r--hw/s390x/virtio-ccw-scsi.c125
1 files changed, 125 insertions, 0 deletions
diff --git a/hw/s390x/virtio-ccw-scsi.c b/hw/s390x/virtio-ccw-scsi.c
new file mode 100644
index 0000000000..c9a804fa25
--- /dev/null
+++ b/hw/s390x/virtio-ccw-scsi.c
@@ -0,0 +1,125 @@
+/*
+ * virtio ccw scsi implementation
+ *
+ * Copyright 2012, 2015 IBM Corp.
+ * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or (at
+ * your option) any later version. See the COPYING file in the top-level
+ * directory.
+ */
+
+#include "qemu/osdep.h"
+#include "hw/virtio/virtio.h"
+#include "qapi/error.h"
+#include "virtio-ccw.h"
+
+static void virtio_ccw_scsi_realize(VirtioCcwDevice *ccw_dev, Error **errp)
+{
+ VirtIOSCSICcw *dev = VIRTIO_SCSI_CCW(ccw_dev);
+ DeviceState *vdev = DEVICE(&dev->vdev);
+ DeviceState *qdev = DEVICE(ccw_dev);
+ char *bus_name;
+
+ /*
+ * For command line compatibility, this sets the virtio-scsi-device bus
+ * name as before.
+ */
+ if (qdev->id) {
+ bus_name = g_strdup_printf("%s.0", qdev->id);
+ virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name);
+ g_free(bus_name);
+ }
+
+ qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus));
+ object_property_set_bool(OBJECT(vdev), true, "realized", errp);
+}
+
+static void virtio_ccw_scsi_instance_init(Object *obj)
+{
+ VirtIOSCSICcw *dev = VIRTIO_SCSI_CCW(obj);
+
+ virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
+ TYPE_VIRTIO_SCSI);
+}
+
+static Property virtio_ccw_scsi_properties[] = {
+ DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
+ VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
+ DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
+ VIRTIO_CCW_MAX_REV),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+static void virtio_ccw_scsi_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
+
+ k->realize = virtio_ccw_scsi_realize;
+ dc->props = virtio_ccw_scsi_properties;
+ set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
+}
+
+static const TypeInfo virtio_ccw_scsi = {
+ .name = TYPE_VIRTIO_SCSI_CCW,
+ .parent = TYPE_VIRTIO_CCW_DEVICE,
+ .instance_size = sizeof(VirtIOSCSICcw),
+ .instance_init = virtio_ccw_scsi_instance_init,
+ .class_init = virtio_ccw_scsi_class_init,
+};
+
+#ifdef CONFIG_VHOST_SCSI
+
+static void vhost_ccw_scsi_realize(VirtioCcwDevice *ccw_dev, Error **errp)
+{
+ VHostSCSICcw *dev = VHOST_SCSI_CCW(ccw_dev);
+ DeviceState *vdev = DEVICE(&dev->vdev);
+
+ qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus));
+ object_property_set_bool(OBJECT(vdev), true, "realized", errp);
+}
+
+static void vhost_ccw_scsi_instance_init(Object *obj)
+{
+ VHostSCSICcw *dev = VHOST_SCSI_CCW(obj);
+
+ virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
+ TYPE_VHOST_SCSI);
+}
+
+static Property vhost_ccw_scsi_properties[] = {
+ DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
+ VIRTIO_CCW_MAX_REV),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+static void vhost_ccw_scsi_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
+
+ k->realize = vhost_ccw_scsi_realize;
+ dc->props = vhost_ccw_scsi_properties;
+ set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
+}
+
+static const TypeInfo vhost_ccw_scsi = {
+ .name = TYPE_VHOST_SCSI_CCW,
+ .parent = TYPE_VIRTIO_CCW_DEVICE,
+ .instance_size = sizeof(VHostSCSICcw),
+ .instance_init = vhost_ccw_scsi_instance_init,
+ .class_init = vhost_ccw_scsi_class_init,
+};
+
+#endif
+
+static void virtio_ccw_scsi_register(void)
+{
+ type_register_static(&virtio_ccw_scsi);
+#ifdef CONFIG_VHOST_SCSI
+ type_register_static(&vhost_ccw_scsi);
+#endif
+}
+
+type_init(virtio_ccw_scsi_register)